28431040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 112

約数和(自身を含む): 76041504

約数和(自身を除く): 47610464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 160, 164, 176, 197, 205, 220, 320, 328, 352, 394, 410, 440, 451, 656, 704, 788, 820, 880, 902, 985, 1312, 1576, 1640, 1760, 1804, 1970, 2167, 2255, 2624, 3152, 3280, 3520, 3608, 3940, 4334, 4510, 6304, 6560, 7216, 7880, 8077, 8668, 9020, 10835, 12608, 13120, 14432, 15760, 16154, 17336, 18040, 21670, 28864, 31520, 32308, 34672, 36080, 40385, 43340, 63040, 64616, 69344, 72160, 80770, 86680, 88847, 129232, 138688, 144320, 161540, 173360, 177694, 258464, 323080, 346720, 355388, 444235, 516928, 646160, 693440, 710776, 888470, 1292320, 1421552, 1776940, 2584640, 2843104, 3553880, 5686208, 7107760, 14215520, 28431040]

約数ペア:

[(1, 28431040), (2, 14215520), (4, 7107760), (5, 5686208), (8, 3553880), (10, 2843104), (11, 2584640), (16, 1776940), (20, 1421552), (22, 1292320), (32, 888470), (40, 710776), (41, 693440), (44, 646160), (55, 516928), (64, 444235), (80, 355388), (82, 346720), (88, 323080), (110, 258464), (160, 177694), (164, 173360), (176, 161540), (197, 144320), (205, 138688), (220, 129232), (320, 88847), (328, 86680), (352, 80770), (394, 72160), (410, 69344), (440, 64616), (451, 63040), (656, 43340), (704, 40385), (788, 36080), (820, 34672), (880, 32308), (902, 31520), (985, 28864), (1312, 21670), (1576, 18040), (1640, 17336), (1760, 16154), (1804, 15760), (1970, 14432), (2167, 13120), (2255, 12608), (2624, 10835), (3152, 9020), (3280, 8668), (3520, 8077), (3608, 7880), (3940, 7216), (4334, 6560), (4510, 6304)]